Chorismate Is Required for Biosyntheis of Aromatic Amino Acids

Chorismate is required for biosyntheis of aromatic amino acids.Which precursor pathways contribute to its biosynthesis? (Select all that apply)

A) Phosphoenolpyruvate is derived from the EMP pathway
B) Phosphoenolpyruvate is derived from the pentose phosphate pathway
C) Erythrose 4-phosphate is derived from the EMP pathway
D) Erythrose 4-phosphate is derived from the pentose phosphate pathway
E) Both substrates can be derived from either of the pathways mentioned